MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0101e4877a01808c4c44a9f3b7859907629dbdbd15cdf012647d474eed5fe53f. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 15


Intelligence 15 IOCs YARA 17 File information Comments

SHA256 hash: 0101e4877a01808c4c44a9f3b7859907629dbdbd15cdf012647d474eed5fe53f
SHA3-384 hash: 6e4a24ac6bb0ef0a5ec910856dfbd6a8164e01f769899abad8a8b78cb7e68db90bdbae3cddbf44534f5988382e2ff1c4
SHA1 hash: 36e3b2b7da9775b3bf1e5a40695ad482f0d1d5b4
MD5 hash: db7eedfa73007e88a3a8a51ae7f99210
humanhash: berlin-zebra-sierra-leopard
File name:FIYAT TEKLIF YATAĞAN TERMİK TEKLİF NS21-42471-100KLM.exe
Download: download sample
Signature AgentTesla
File size:725'504 bytes
First seen:2024-03-07 17:55:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:dBt9Ny/jrVyPnMt28KXi7OwhkCaGQSqMg6x7u0kETr9S6+sXJt:rNy/j8/Mt28KYOwhXaKng69utETZT+m
Threatray 411 similar samples on MalwareBazaar
TLSH T104F4F146A3F91B29E6BA87F5513411100BF271AFBAA5F70C4EC124DE2E35F014A99F63
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
348
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
0101e4877a01808c4c44a9f3b7859907629dbdbd15cdf012647d474eed5fe53f.exe
Verdict:
Malicious activity
Analysis date:
2024-03-07 18:18:00 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Adding an exclusion to Microsoft Defender
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1404982 Sample: FIYAT TEKLIF YATA#U011eAN T... Startdate: 07/03/2024 Architecture: WINDOWS Score: 100 34 mail.okn-makina.com 2->34 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 11 other signatures 2->52 8 FIYAT TEKLIF YATA#U011eAN TERM#U0130K TEKL#U0130F NS21-42471-100KLM.exe 4 2->8         started        11 ctsdvwT.exe 3 2->11         started        13 ctsdvwT.exe 2 2->13         started        signatures3 process4 signatures5 54 Adds a directory exclusion to Windows Defender 8->54 56 Injects a PE file into a foreign processes 8->56 15 FIYAT TEKLIF YATA#U011eAN TERM#U0130K TEKL#U0130F NS21-42471-100KLM.exe 1 5 8->15         started        20 powershell.exe 22 8->20         started        22 FIYAT TEKLIF YATA#U011eAN TERM#U0130K TEKL#U0130F NS21-42471-100KLM.exe 8->22         started        58 Multi AV Scanner detection for dropped file 11->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->60 62 Machine Learning detection for dropped file 11->62 64 Contains functionality to register a low level keyboard hook 11->64 24 ctsdvwT.exe 2 11->24         started        26 ctsdvwT.exe 13->26         started        process6 dnsIp7 36 mail.okn-makina.com 85.95.231.46, 49713, 49714, 587 EUROTA-ASNEUROTAINTERNETSERVICESLTDTR Turkey 15->36 30 C:\Users\user\AppData\Roaming\...\ctsdvwT.exe, PE32 15->30 dropped 32 C:\Users\user\...\ctsdvwT.exe:Zone.Identifier, ASCII 15->32 dropped 38 Tries to steal Mail credentials (via file / registry access) 15->38 40 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->40 42 Installs a global keyboard hook 15->42 28 conhost.exe 20->28         started        44 Tries to harvest and steal browser information (history, passwords, etc) 26->44 file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.LummaStealer
Status:
Malicious
First seen:
2024-03-06 12:48:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Unpacked files
SH256 hash:
40908209d3f3f61056c113e2dd9e15330d30608a2f8384085577d245b34f02ef
MD5 hash:
0d925e03310bb5160cc6738bfd5ede0f
SHA1 hash:
df1204f4f8f7374d2a6a490f01a16eb2f3d8814b
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
1a37f3965fed4b200a4e3f8d72744d690fd4e2aa308123df46802128532a3d5d
MD5 hash:
629b8c8883f3726df8093619d9f2d5b7
SHA1 hash:
d73a662c2514f5d7826ecfcda56b8af27f5eff74
SH256 hash:
42f47108fa30383f19b938829a8162e88a8beeab32251b64f8b61c51f084a747
MD5 hash:
142cd05b099f56fd758c8eefb6375f30
SHA1 hash:
58ce87d70709589566a37d976fe24507a0d677e0
SH256 hash:
996efd1a33d04923f83df8ffc31191b10b6a15ef56d8961351673c74416f7506
MD5 hash:
95046bfbc193c1faa89d6a32c870082c
SHA1 hash:
0c707a044df00706628eff48e982d29006c59aeb
SH256 hash:
0101e4877a01808c4c44a9f3b7859907629dbdbd15cdf012647d474eed5fe53f
MD5 hash:
db7eedfa73007e88a3a8a51ae7f99210
SHA1 hash:
36e3b2b7da9775b3bf1e5a40695ad482f0d1d5b4
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 0101e4877a01808c4c44a9f3b7859907629dbdbd15cdf012647d474eed5fe53f

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments